Home / 65,935.53-98,919.50-19,188.81

Finding the Fourth Proportional to 65,935.53, 98,919.50 and 19,188.81

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Solution

The fourth proportional to 65,935.53, 98,919.50 and 19,188.81 is: 28,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,935.53 : 98,919.50 = 19,188.81 : x
  2. Step 2: Convert to fraction form
    65,935.53/98,919.50 = 19,188.81/x
  3. Step 3: Cross multiply
    65,935.53x = 98,919.50 × 19,188.81
  4. Step 4: Simplify right side
    65,935.53x = 1,898,147,394.85
  5. Step 5: Solve for x
    x = 1,898,147,394.85/65,935.53
  6. Step 6: Final answer
    x = 28,787.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.